71V3556SA133BQGI

Memory IC Overview

The Renesas Electronics Corporation 71V3556SA133BQGI is a static random-access memory device organized as 128K x 36, providing a total storage capacity of 4 Mbit. It operates with a maximum clock frequency of 133 MHz and features an access time of 3.5 ns. The component utilizes a parallel interface and functions within a supply voltage range of 3.135 V to 3.465 V. Maximum power consumption is specified at 360 mA. The device supports single data rate synchronous operation and is housed in a CABGA-165 package.

Memory IC Feature Summary

• Supports Zero Bus Turnaround (ZBT) technology to eliminate dead cycles between read and write operations
• Features internally synchronized output buffer enable to simplify control logic requirements
• Includes positive clock-edge triggered registers for address, data, and control signals
• Provides individual byte write control capabilities for flexible data management

Memory IC Applications

• High-speed data buffering in telecommunications equipment
• Cache memory implementation in network infrastructure systems
• Data storage in industrial automation controllers
• Temporary storage in embedded processing applications

Memory IC Procurement Notes

Verify current availability status as the product may be subject to discontinuation notices. Confirm that the specific suffix matches the required package type and temperature rating. Check for RoHS compliance documentation if environmental regulations apply to your deployment. Ensure compatibility with existing board layouts regarding the CABGA-165 footprint and pin configuration before finalizing procurement decisions.

Memory IC Selection Notes

Select this component when zero bus turnaround performance is critical for system throughput. The 133 MHz speed grade offers faster access compared to lower-frequency variants. Consider the 128K x 36 organization for wide-data path requirements. Evaluate the CABGA-165 package for surface-mount assembly needs. Compare against other ZBT SRAM options if different capacities or I/O voltages are required for the design.

Memory IC Part Context

This part belongs to the 71V3556SA series of synchronous pipelined SRAMs from Renesas. The series typically includes variants with different speed grades and package options. These devices are designed for high-performance applications requiring fast memory access. The SA suffix generally denotes specific speed and package characteristics within the broader family lineup.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided source material.